Hitachi UTOPIA RASC Series Installation And Operation Manual page 36

DRAIN PIPING
12. DRAIN PIPING
1. Drain Pipe location is indicated in the below figures.
RASC-3/5HVRNE
¡
400
Drain Piping
RASC-10HRNE
¡
Drain Pipe (x2 locations)
13 ELECTRICAL WIRING
13.1. GENERAL CHECK
1. Ensure that the field-supplied electrical components (mains
power switches, circuit breakers, wires, connectors and wire
terminals) have been properly selected according to the
electrical data indicated. Make sure that they comply with
national and regional electrical codes.
2 Following the Council Directive 2004/108/EC(89/336/EEC),
relating to electromagnetic compatibility, next table indicates:
Maximum permissible system impedance Zmax at the
interface point of the user's supply, in accordance with
EN61000-3-11
MODEL
RASC-3HVRNE
RASC-5HVRNE
RAS-10HRNE
520 614
Zmax (Ω)
0.26
0.19
0.20
2. Connect a siphon as shown in the figure below. Pay special
attention when connecting it to the unit (proper installation
work is needed in order to guarrantee connection pipes
matching).
>75 mm
Slope 2%
3. Fasten the siphon to the drain hose with an adhessive and a
field-supplied clamp.
4. Prepare a draining pipe of 25 OD (outer diameter) for the
draining line which shall be performed by a Down Slope of
2 %.
5. Check to ensure that the water drains smoothly by pouring
some water into the Drain Pan
6. Check to ensure that the water do not remain in the Drain
Pan.
7. Check the drain connections periodically (once a year), no
water leack can appear.

CAUTION:
If the unit is installed in a cold area, the drain water may
freeze. Install an electric heater (field-supplied) at the drain
connection.
3. Harmonics situation of each model regarding IEC 61000-3-2
and IEC 61000-3-12 is as follows:
MODELS SITUATION REGARDING IEC
61000-3-2 AND IEC 61000-3-12 Ssc "xx"
Equipment complying with IEC 61000-3-12
This equipment complies with IEC 61000-3-12 provided
that the short-circuit power Ssc is greater than or equal
to xx (see Ssc column) at the interface point between
the user's supply and the public system. It is the
responsibility of the installer or user of the equipment
to ensure, by consultation with the distribution network
operator if necessary, that the equipment is connected
only to a supply with a short-circuit power Ssc greater
than or equal to xx (see Ssc column)
Installation restrictions may be applied by supply
authorities in relation to harmonics
This(ese) unit(s) is(are) out of scope of IEC 61000-3-12
4. Check to ensure that the power supply voltage is within
+/-10% of the rated voltage.
5. Check to ensure that power supply has an impedance low
enough to warranty not reduce the starting voltage more than
85% of the rated voltage.
6. Check to ensure that the ground wire is connected.
7. Connect a fuse of specified capacity.
PMML0140A rev.1 - 07/2009
Plug
Ssc "xx"
MODELS(*)
(KVA)
RASC-3HVRNE
-
RASC-5HVRNE
- -
RASC-10HRNE -
- -
36